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High-precision oversized ceramic bearings provide superior durability and reduced friction compared to traditional steel bearings, ensuring smooth gear shifting even under extreme conditions. Compatible with various bike models including Shimano's Dura Ace R9100 series, Ultegra R8000 series, SRAM RED groupset, and more, making it an ideal upgrade option across multiple brands. Engineered for exceptional smoothness and reliability over extended periods of time, this pulley wheel set will enhance both professional racers equipment and enthusiast cyclists alike. Designed specifically for modern 11-speed and 12-speed drivetrains found in high-end road bikes, mountain bikes, cyclocross bicycles, gravel grinders, and triathlon machines. Lightweight construction at only 82 grams reduces overall weight while maintaining structural integrity, allowing you to push your limits during intense rides without compromising performance..syi
By USD71.35
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